/**
 * \file
 * <!--
 * This file is part of BeRTOS.
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 * templates or use macros or inline functions from this file, or you compile
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 * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
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 *
 * \brief Cortex-M3 generic hardware macros.
 */

#ifndef CM3_TYPES_H
#define CM3_TYPES_H

/**
 * Macros for hardware access, both direct and via the bit-band region.
 */
/*\{*/
#define HWREG(x) (*((reg32_t *)(x)))
#define HWREGH(x) (*((reg16_t *)(x)))
#define HWREGB(x) (*((reg8_t *)(x)))

#define HWREGBITW(x, b) \
        HWREG(((reg32_t)(x) & 0xF0000000) | 0x02000000 |		\
              (((reg32_t)(x) & 0x000FFFFF) << 5) | ((b) << 2))
#define HWREGBITH(x, b) \
        HWREGH(((reg32_t)(x) & 0xF0000000) | 0x02000000 |		\
               (((reg32_t)(x) & 0x000FFFFF) << 5) | ((b) << 2))
#define HWREGBITB(x, b) \
        HWREGB(((reg32_t)(x) & 0xF0000000) | 0x02000000 |		\
               (((reg32_t)(x) & 0x000FFFFF) << 5) | ((b) << 2))
/*\}*/

#endif /* CM3_TYPES_H */
